FAA STC No. ST12087CH, EASA STC No. 10088775 and CAA STC No. 00484 appoves the replacement of existing halon fire extinguishers across the full line of Learjet aircraft. This STC allows for the installation of Halotron BrX-filled fire extinguishers in compliance with EASA requirements. The new extinguishers are designed to be size-equivalent replacements, having minimal impact on fit and compatibility. The STC has an approved models list that includes: Learjet Models 24, 25, 29, 31, 31A, 35, 36, 35A (C-21A), 36A, 40, 45, 55, 55B, 55C, 60, 60XR, 70, and 75 aircraft.
